Just a intellectual curiosity question here:
I have a question about First Responder and the Document-based
architecture. Why does "undo" go to the NSUndoManager and not my
NSDocument subclass?
I was playing around with Hillegass's RaiseMan with Undo capabilities
(Chap 9), and from looking at the call stack it appears that while the
"Undo" menu is configured to go to the First Responder which I thought
would be the MyDocument object, it instead it goes to MyDocument's
NSUndoManager. Other menu items that I set up to go to the First
Responder *do* make it to MyDocument, and even if I add my own -undo:
method to MyDocument, selecting Undo in the menu will not call it.
What gives? Why doesn't an undo: message get sent to my MyDocument
object?
Thanks,
Todd
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